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<p>[QUOTE=&quot;Bob Evancho, post: 2981813, member: 84595&quot;]That is a very interesting mint mark.&nbsp; My theory would be that the mint mark sinker did the first sinking to light into the die.&nbsp; Then the sinker noticed this and tried to sink it deeper but was off register south by a bit.&nbsp; Noticing that the sinking was still not deep enough, the sinker made one final try and was off register south again.&nbsp; Each sinking is incuse into the die.&nbsp; The sharpness of each edge may suggest a triple RPM.&nbsp; It will be interesting to find more cents exactly like this from the same die to confirm a triple RPM.&nbsp; I would research online triple RPM in other denominations.&nbsp; Research John Wexlers books for more detailed information. Double dies such as the 1955 or 1972 are sunk at the same height but off register.&nbsp; Hand sunk mint marks sunk lightly and then sunk again off register and then sunk again off register could look like your coin. Remember hand sunk mint marks could have been sunk many times to bring up the mint mark and any off register would produce RPM&#039;s[/QUOTE]</p><p><br /></p>

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